/Engine/Plugins/Runtime/GooglePAD/Source/GooglePAD/Classes/GooglePADFunctionLibrary.h
The method used to store an Asset Pack on the device.
enum EGooglePADStorageMethod { AssetPack_STORAGE_FILES = 0, AssetPack_STORAGE_APK, AssetPack_STORAGE_UNKNOWN, AssetPack_STORAGE_NOT_INSTALLED, }